Saudi Arabian Oil Company

Ali Yousef

Subhash Chandrabose Ayirala

Moataz Abu AlSaud

Abdulaziz S Al-Qasim

Salah Hamad Al-Saleh

Moataz Abu Al Saud

Hussain Habib Al Saleem

Ming Han

Muhammad Majid Almajid

Dongqing Cao

Shiv Shankar Sangaru

Abdulaziz S Qasim

Zuhair A Al-Yousef

Salem Alshammari

Pramod Dhanaji Patil

Saleh Hamad Al-Salah

Salem Khaled Al-Shammari

Moataz Abu Alsaud

Method of producing hydroxides for use in carbon dioxide mineralization, the method including adding a first amount of sodium hydroxide to a produced oilfield brine to precipitate Mg(OH), adding a second amount of sodium hydroxide to precipitate Ca(OH), filtering the precipitates, and adding an amount of the filtered precipitates to an aqueous carbon dioxide solution.

Extraction of alkaline earth metal hydroxides from produced oilfield brine

A method for sequestering COin a subterranean formation and a method for sequestering COin a subterranean formation during an enhanced oil recovery treatment include preparing a solution comprising COand from 0.01% by weight (wt. %) to 10 wt. % of a COsoluble alkoxylate surfactant based on the total weight of CO, processing the solution through a dispersing unit in fluid communication with an injection well, and injecting the dispersion into the injection well of the formation, thereby sequestering COin the formation. The method for sequestering COin a subterranean formation during an enhanced oil recovery treatment includes introducing an enhanced oil recovery treatment to the formation. A system for sequestering COin a formation includes an injection well in fluid communication with a formation, an injection unit, and a dispersing unit that is in fluid communication with the injection unit and the injection well.

Surfactant formulation and method for water flood assisted COsequestration

Provided are methods of increasing the production of a hydrocarbon from a subterranean formation by waterflooding with injection solutions containing dihydrogen phosphate ions.

Method of waterflooding using injection solutions containing dihydrogen phosphate

A method for enhanced oil recovery in a reservoir is provided. The method includes injecting a microsphere suspension, including polymeric microspheres dispersed in seawater, into an injection well in the reservoir and injecting a low salinity tailored water (SmartWater) into the injection well in the reservoir. Oil is produced from a production well in the reservoir.

Alternating microsphere and smartwater injection for enhanced oil recovery

A method for recovering hydrocarbons from a hydrocarbon-containing formation. The method may include determining the hydrocarbon-containing formation pressure, temperature, and other properties such as the total acid number and total base number of the hydrocarbons, rock type, and brine ionic composition. The method may also include determining a desired amount of wettability alteration of the formation and modeling the formation. Modeling the formation may be based on the determined pressure, temperature, total acid number and total base number of the hydrocarbons, rock type, and brine ionic composition. The method may also include preparing an aqueous wellbore fluid based on the estimated wellbore fluid composition and injecting the aqueous wellbore fluid into the hydrocarbon-containing formation.

Methodology for modeling electrokinetic effects and identifying carbonated water injection parameters

Disclosed are methods, systems, and computer-readable medium to perform operations including performing, using a nanoscale model, a simulation of fluid-fluid and fluid-rock interactions in the subterranean formation. The operations also include upscaling first results of the simulation of fluid-fluid and fluid-rock interactions to a microscale level. The operations further include performing, using a microscale model and the upscaled first results, a simulation of fluid flow inside rocks of the subterranean formation. Additionally, the operations include upscaling second results of the simulation of fluid flow inside rocks to a macroscale level. Further, the operations include performing, using a core-scale model and the upscaled second results, a simulation of fluid flow across the subterranean formation.

Multiscale modeling workflow of advanced waterflooding

A method for modeling hydrocarbon recovery workflow is disclosed. The method involves obtaining, by a computer processor, stimulation data and reservoir data regarding a region of interest, wherein the stimulation data describe a water flooding process performed in the reservoir region of interest by one or more enhanced-recovery wells. The method may include determining, by the computer processor, a multi-phase Darcy model for the reservoir region of interest using the reservoir data and the stimulation data. The multi-phase Darcy model determines a fluid phase flow rate using a pressure gradient, an absolute permeability value, and a relative permeability value. The method may include determining, by the computer processor, a plurality of relative permeability values for the reservoir region of interest based on a plurality of fluid-fluid interface correlations and an interpolating parameter.

Method and system for modeling hydrocarbon recovery workflow

A method includes alternating between (a) applying an electric current to a subterranean formation and (b) flowing an enhanced oil recovery (EOR) treatment fluid into a wellbore formed in the subterranean formation. The method includes flowing an aqueous salt solution into the wellbore to mobilize hydrocarbons within the subterranean formation after alternating between (a) and (b).

Enhanced hydrocarbon recovery with electric current

An oil recovery method may include injecting 0.05 to 0.25 pore volumes of low-salinity water having 4,000-8,000 ppm of total dissolved solids into a reservoir, and then applying seismic stimulation to the reservoir for a predetermined duration. The steps of injecting low-salinity water and applying seismic stimulation are repeated until 0.25 to 1.0 pore volumes of the low-salinity water has been added to the reservoir. Then, high-salinity water having 35,000 to 57,000 ppm of total dissolved solids is introduced to the reservoir.

Seismic assisted flooding processes for oil recovery in carbonates

A method for enhancing oil recovery in carbonate reservoirs using low pH solutions for wettability alteration.

Low pH-based oil recovery method for carbonate reservoirs

A method for recovering oil from a hydrocarbon-bearing reservoir using pressure pulse injections of an aqueous salt solution is provided. The aqueous salt solution includes one or more salts suitable for enhancing oil recovery in carbonate reservoirs and has a salinity in the range of about 5,000 parts-per-million (ppm) total dissolved solids (TDS) to about 7,000 ppm TDS. The aqueous salt solution may be injected into a reservoir using continuous or periodic pressure pulse injections.

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Dhahran, Saudi Arabia

Ali Yousef